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公开(公告)号：US12105202B2
公开(公告)日：2024-10-01
申请号：US17076187
申请日：2020-10-21
Applicant: SICK AG
Inventor： Thomas Russ , Sebastian Tschuch , Romain Müller
IPC: G01S17/894 , G01S7/481 , G01S7/497 , G01S17/08 , H04N23/695 , H04N23/698
CPC classification number: G01S17/894 , G01S7/4817 , G01S7/497 , G01S17/08 , H04N23/695 , H04N23/698
Abstract: An optoelectronic sensor for detecting objects in a monitored zone is provided, wherein the sensor comprises a laser scanner having a deflection unit rotatable about an axis of rotation for scanning the monitored zone with at least one scanning beam; a first distance measurement unit for determining 3D measurement points of the respective objects impacted by the scanning beam using a time-of-flight method; a panorama camera having a panorama optics and having an image sensor with a plurality of light reception elements for detecting picture elements; and a control and evaluation unit that is configured to fuse the 3D measurement points and the picture elements. In this respect, the optical axis of the panorama camera and the rotation axis coincide.
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公开(公告)号：US11527007B2
公开(公告)日：2022-12-13
申请号：US17073600
申请日：2020-10-19
Applicant: SICK AG
Inventor： Romain Müller , Florian Schneider
Abstract: A camera is provided that has an image sensor having a plurality of pixel elements for recording image data of an object stream moved in a direction of movement relative to the camera and having objects of a height, and a control and evaluation unit that is configured to determine the height of a respective object with reference to the image data. The image sensor here is an event-based image sensor and the control and evaluation unit is configured to detect a measurement series of points in time at which pixel elements adjacent in the direction of movement consecutively register an event to determine a speed of an object image of the object on the image sensor from said measurement series and from this the height.
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公开(公告)号：US11928874B2
公开(公告)日：2024-03-12
申请号：US17320803
申请日：2021-05-14
Applicant: SICK AG
Inventor： Romain Müller , Dirk Strohmeier
CPC classification number: G06V20/64 , G01C3/08 , G06K7/1413 , G06K7/1417 , G06V10/147 , G06V10/25 , H04N23/60
Abstract: A camera (10) for detecting objects (48) moving relative to the camera (10) in a direction of movement (50), comprising an image sensor (18) for recording image data of the objects (48) in a camera field of view (14, 56), an optoelectronic distance sensor (24) using a time-of-flight method having a plurality of measurement zones (30a) for measuring a plurality of distance values to the objects (48) in a distance measurement field of view (58), and a control and evaluation unit (38) configured to find, by measuring distance values over a configuration time and evaluating the distance values and/or their change, a region where objects (48) move, and to automatically set a region of interest (60) for the distance sensor (24) within the distance measurement field of view (58) by determining an object region as the region where objects (48) move.
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公开(公告)号：US11170191B2
公开(公告)日：2021-11-09
申请号：US17075516
申请日：2020-10-20
Applicant: SICK AG
Inventor： Romain Müller , Dirk Strohmeier , Pascal Schüler , Marcel Hampf
IPC: G06K7/14
Abstract: A code reader for the reading of optical codes is provided that has an image sensor for the detection of image data with the code and that has a control and evaluation unit that is configured to read the code with at least one decoding method, wherein the control and evaluation unit is connected to a distance sensor that determines a distance value for the distance of the code. The control and evaluation unit is further configured for the purpose of setting at least one parameter and/or including at least one additional algorithm of the decoding method for the decoding method in dependence on the distance value.
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公开(公告)号：US11809948B2
公开(公告)日：2023-11-07
申请号：US17674359
申请日：2022-02-17
Applicant: SICK AG
Inventor： Romain Müller , Martin Hoegy
IPC: G06K7/10 , G01S17/894 , G01S17/08 , H04N23/56
CPC classification number: G06K7/10861 , G01S17/08 , G01S17/894 , G06K7/10584 , G06K7/10831 , H04N23/56
Abstract: A code scanning device for detecting an optical code on an object in a reading area, comprising a light transmitter for transmitting a reading beam, a deflection unit for periodically deflecting the reading beam over the reading area with a scanning frequency fscan, a light receiver for generating a received signal from the returning reading beam, a distance sensor for detecting a distance d from the object, and a control and evaluation unit configured to read a code content of the optical code on the basis of the received signal and to set the scanning frequency fscan as a function of the distance d.
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Patent Agency Ranking
公开(公告)号：US11743602B2
公开(公告)日：2023-08-29
申请号：US17833281
申请日：2022-06-06
Applicant: SICK AG
Inventor： Romain Müller , Dirk Strohmeier
IPC: H04N23/959 , H04N23/67
CPC classification number: H04N23/959 , H04N23/671
Abstract: A camera (10) is provided for the detection of objects (48) moved through a detection zone that has an image sensor (18) for recording image data, a reception optics (16) having an adjustable diaphragm (17), and a control and evaluation unit (38) to read the image data and to set the diaphragm (17), In this respect, the control and evaluation unit (38) is furthermore configured to set the diaphragm (17) per object (48) such that the object (48) is recorded in a depth of field range.
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公开(公告)号：US11595741B2
公开(公告)日：2023-02-28
申请号：US17225526
申请日：2021-04-08
Applicant: SICK AG
Inventor： Romain Müller , Tobias Pontiggia
Abstract: A camera for detecting an object in a detection zone is provided that has an image sensor for recording image data, a reception optics having a focus adjustment unit for setting a focal position, a distance sensor for measuring a distance value from the object, and a control and evaluation unit connected to the distance sensor and the focus adjustment unit to set a focal position in dependence on the distance value, and to determine a distance value with the distance sensor via a variable measurement duration that is predefined in dependence on a provisional distance value such that a measurement error of the distance value and thus, on a recording of image data of the object, a focus deviation of the set focal position from an ideal focal position remains small enough for a required image sharpness of the image data.
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公开(公告)号：US12112454B2
公开(公告)日：2024-10-08
申请号：US17703139
申请日：2022-03-24
Applicant: Sick AG
Inventor： Romain Müller , Marcel Pfeifer
CPC classification number: G06T5/50 , H04N1/6008 , H04N23/56 , H04N23/72 , G06T2207/10024 , G06T2207/20024
Abstract: A method for brightness and color correction of image data of a line camera is disclosed, wherein, for the detecting of image data with at least two line arrays of the line camera while illuminating a detection area of the line camera with an illumination module, a gray-scale image and at least two single-color images are recorded, and the image data is corrected with the help of a brightness function of the illumination module which is dependent on a line position of the line array and/or a distance of recorded objects. The brightness function is determined for the illumination module in advance and independent of the line camera and is stored in the illumination module, and the brightness function is read out by the line camera and used for the respective correction of the gray-scale image and the single-color images.
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公开(公告)号：US11567203B2
公开(公告)日：2023-01-31
申请号：US16815339
申请日：2020-03-11
Applicant: SICK AG
Inventor： Romain Müller , Florian Schneider , Mattias Johannesson
Abstract: The present invention relates to a light line triangulation apparatus with a measurement space for receiving a measurement object, a light projector, adapted to project a light line into the measurement space and/or onto the measurement object, an imager for detecting the light line in the measurement space, wherein the imager comprises imaging pixels arranged in a plurality of columns and rows. The apparatus of the invention is characterized in that the imager comprises multiple identical sets of polarization filters, wherein each set of polarization filters comprises at least two polarization filters with different polarization directions, wherein a respective polarization filter covers one of the columns.
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公开(公告)号：US11151343B2
公开(公告)日：2021-10-19
申请号：US16700421
申请日：2019-12-02
Applicant: SICK AG
Inventor： Romain Müller , Florian Schneider
Abstract: A method of reading optical codes is specified in which an image sensor having at least one pixel element detects image information in a reading zone and in which the image information is evaluated to read a code in the reading zone. The image sensor is an event-based image sensor here.
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